1/*- 2 * Copyright (c) 1982, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 21 unchanged lines hidden (view full) --- 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)kern_clock.c 8.5 (Berkeley) 1/21/94 35 */ 36 37#include <sys/cdefs.h> |
38__FBSDID("$FreeBSD: stable/10/sys/kern/kern_clock.c 260817 2014-01-17 10:58:59Z avg $"); |
39 40#include "opt_kdb.h" 41#include "opt_device_polling.h" 42#include "opt_hwpmc_hooks.h" 43#include "opt_kdtrace.h" 44#include "opt_ntp.h" 45#include "opt_watchdog.h" 46 --- 617 unchanged lines hidden (view full) --- 664void 665stopprofclock(p) 666 register struct proc *p; 667{ 668 669 PROC_LOCK_ASSERT(p, MA_OWNED); 670 if (p->p_flag & P_PROFIL) { 671 if (p->p_profthreads != 0) { |
672 p->p_flag |= P_STOPPROF; 673 while (p->p_profthreads != 0) |
674 msleep(&p->p_profthreads, &p->p_mtx, PPAUSE, 675 "stopprof", 0); |
676 p->p_flag &= ~P_STOPPROF; |
677 } 678 if ((p->p_flag & P_PROFIL) == 0) 679 return; 680 p->p_flag &= ~P_PROFIL; 681 mtx_lock(&time_lock); 682 if (--profprocs == 0) 683 cpu_stopprofclock(); 684 mtx_unlock(&time_lock); --- 211 unchanged lines hidden --- |